Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...

Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...

• 特朗普政府已裁撤美国卫生与公众服务部内负责每年核算联邦贫困线指导标准的办公室。依据法律规定，该数据是判定数十项安全网项目资格条件的重要依据，其中包括医疗补助、食品援助、取暖援助以及法律援助。一位经济学家表示：“此时出现这样的空缺，实在是糟糕透顶。” ...